✔ 最佳答案
1. Sleep Apnea is a common kind of illness and it can be very severe. Patients may suffocate or have pauses in breathing during sleep, this situation occurs on average five times per hour every night, in severe cases, it can be up to fifty times(?). As patients cannot have a peaceful sleep at night, they suffer from lack of spirit in daytime, which will affect their daily life and work.
2. Asthma is a chronic respirational illness. Patients, when asthma occurs, will suffer from difficulties in breathing or even suffocation. As the causes for the occurance of asthma is complicated, there are no cure for the disease to date.